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a bat sends 1 1 0 , 0 0 H z ultrasound signal out towards a n insenct 1 3 0 m away. i f

a bat sends

110, 00 H z

ultrasound signal out towards

a n

insenct

130 m

away.

i f

the temperature

i s 22

degrees celcius, how long will

i t

take

t o

hear the return signal? what

i s

the wavelength

o f

the signal?

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